Ryan Newman, Tony Stewart

Todd Warshaw, Getty Images

Ryan Newman (L), driver of the #39 US Army Chevrolet, and Tony Stewart, driver of the #14 Old Spice/Office Depot Chevrolet, look on from the garage during practice for the NASCAR Sprint Cup Series Daytona 500 at Daytona International Speedway on February 10, 2010 in Daytona Beach, Florida

Ryan Newman (L), driver of the #39 US Army Chevrolet, and Tony Stewart, driver of the #14 Old Spice/Office Depot Chevrolet, look on from the garage during practice for the NASCAR Sprint Cup Series Daytona 500 at Daytona International Speedway on February 10, 2010 in Daytona Beach, Florida (Todd Warshaw, Getty Images)

Ryan Newman (L), driver of the #39 US Army Chevrolet, and Tony Stewart, driver of the #14 Old Spice/Office Depot Chevrolet, look on from the garage during practice for the NASCAR Sprint Cup Series Daytona 500 at Daytona International Speedway on February 10, 2010 in Daytona Beach, Florida